package br.com.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class AutoFiltro implements Filter {
    public AutoFiltro() {

    }
	public void destroy() {

	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse res = (HttpServletResponse) response;
		res.setContentType("text/html;charset=UTF-8");
		Object logged = req.getSession().getAttribute("esta_logado");
		String url = req.getRequestURL().toString();
		if(logged == null && ! url.contains("login_invalido")){
			res.sendRedirect("../index");
			return;
		}else{
			chain.doFilter(request, response);
		}
	}


	public void init(FilterConfig fConfig) throws ServletException {

	}

}
